day and night
Day and night, the Chinese idiom, Pinyin is m é IR ì m é iy è, which means day and night. It comes from the complete biography of Hu Xueyan.
The origin of Idioms
Gao Yang's the complete biography of Hu Xueyan, the first volume: "so silk reeling must be done by a family, big or small, and it will be finished day and night."
Idiom usage
It refers to working day and night. He has been invited by the provincial scientific research institute and is writing books day and night!
day and night
with humble words and lavish gifts - bēi cí zhòng bì